OAS Phone Number: How to Contact Old Age Security
The Old Age Security phone number is 1-800-277-9914 (Canada and the U.S.), the same as CPP. Agents answer Monday to Friday, 8:30 am to 4:30 pm local time; the automated service runs 24/7. From outside Canada and the U.S., call 1-613-957-1954 collect.
Without calling
- My Service Canada Account (24/7): OAS application status, payments, tax slips, phone number changes, authorizing someone to act for you, and document uploads.
- Apply online for the OAS pension, Guaranteed Income Supplement, the Allowance or the Allowance for the Survivor.
- Call-back request through the eServiceCanada form, within 2 business days.
Visiting a Service Canada office
Bring one of: a driver's licence or provincial or territorial ID card, a Canadian or foreign passport, a permanent resident card, or a Certificate of Indian Status. Otherwise bring two of: a provincial or territorial birth certificate, a certificate of Canadian citizenship, a certificate of registration of birth abroad, or another Canadian government-issued ID.
Phone numbers
Old Age Security (Canada and U.S.)
1-800-277-9914Agents: Monday to Friday, 8:30 am to 4:30 pm local time. Automated: 24/7.
TTY
1-800-255-4786Related
Frequently asked questions
What is the phone number for Old Age Security?
1-800-277-9914 from Canada and the U.S., Monday to Friday, 8:30 am to 4:30 pm local time.
Sources
- Contact Old Age Security (canada.ca, 2026-07-23) (canada.ca)
North Help Desk is an independent guide, not a government website. Rules, amounts and phone hours can change; always confirm on the official page before you act. Spotted something out of date? Tell us.